Affiliation:
1. STI IEM, Ecole Polytechnique Fédérale de Lausanne (EPFL)
2. Amplitude
Abstract
Free-space optics allows for design freedom and control, but
miniaturization and manufacturability are limited. Here, we present a
method for manufacturing complex miniaturized free-space optical
systems that combines contactless femtosecond laser-activated
alignment with femtosecond laser 3D manufacturing of a substrate
incorporating optomechanical elements. Specifically, we demonstrate a
palm-sized, all-glass GHz femtosecond laser cavity, whose alignment
and lasing operation are permanently tuned in a contactless manner via
laser–matter interaction using another femtosecond laser. The
manufactured Yb:KYW oscillator shows self-starting mode-locking with a
diffraction-limited beam and outputs a stable train of solitons with
182 fs pulse width at 1.0925 GHz repetition rate, for
725 mW incident pump power.
Funder
HORIZON EUROPE European Research
Council
École Polytechnique
Fédérale de Lausanne
Schweizerischer Nationalfonds zur
Förderung der Wissenschaftlichen Forschung
Subject
Atomic and Molecular Physics, and Optics,Electronic, Optical and Magnetic Materials
Cited by
1 articles.
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